P-660R/H-D Series User’s Guide

16.8.1 Bandwidth Borrowing Example

Here is an example of bandwidth management with classes configured for bandwidth borrowing. The classes are set up based on departments and individuals within certain departments.

Table 53 Bandwidth Borrowing Example

BANDWIDTH CLASSES AND BANDWIDTH BORROWING SETTINGS

Root Class:

Administration: Borrowing Enabled

 

 

 

 

 

Sales: Borrowing Disabled

Sales USA: Borrowing Enabled

 

 

 

 

 

Sales Asia: Borrowing Disabled

 

 

 

 

Marketing: Borrowing Enabled

 

 

 

 

 

Research: Borrowing Enabled

Software: Borrowing Enabled

 

 

 

 

 

Hardware: Borrowing Enabled

 

 

 

•The Research Software and Hardware classes can both borrow unused bandwidth from the Research class because the Research Software and Hardware classes both have bandwidth borrowing enabled.

•The Research Software and Hardware classes can also borrow unused bandwidth from the Root class because the Research class also has bandwidth borrowing enabled.

16.9Maximize Bandwidth Usage With Bandwidth Borrowing

If you configure both maximize bandwidth usage (on the interface) and bandwidth borrowing (on individual child-classes), the Prestige functions as follows.

1The Prestige sends traffic according to each bandwidth class’s bandwidth budget.

2The Prestige assigns a parent class’s unused bandwidth to its child-classes that have more traffic than their budgets and have bandwidth borrowing enabled. The Prestige gives priority to child-classes of higher priority and treats classes of the same priority equally.

3The Prestige assigns any remaining unused or unbudgeted bandwidth on the interface to any class that requires it. The Prestige gives priority to classes of higher priority and treats classes of the same level equally.

4If the bandwidth requirements of all of the traffic classes are met and there is still some unbudgeted bandwidth, the Prestige assigns it to traffic that does not match any of the classes.

16.10The Main Media Bandwidth Management Screen

Click Media Bandwidth Mgnt. to display the main Media Bandwidth Management screen as shown.

Chapter 16 Media Bandwidth Management Advanced Setup

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